--- loncom/html/adm/help/tex/Metadata_Description.tex	2002/07/18 15:52:27	1.2
+++ loncom/html/adm/help/tex/Metadata_Description.tex	2013/08/05 15:24:47	1.6
@@ -1,19 +1,25 @@
 \label{Metadata_Description}
 
-\index{Metadata}\label{What Is Metadata?}\emph{Metadata} is \emph{data about data}. Metadata can often be thought
+\index{Metadata}\label{What Is Metadata?}\emph{Metadata} is \emph{data about data}.
+Metadata can often be thought
 of as a label on some bit of information that can be useful to people or
 computer programs trying to use the data. Without metadata, the person or
-computer trying to use the original information would have to just guess
-what the original data is about. For instance, if you create a problem and
+computer trying to use the original information would have to guess
+what the original data is about.
+
+When resources are published at least title, subject and keywords should be
+provided so that the resource could be found easily.
+
+For example, if you create a problem and
 neglect to say in the title or subject of the problem what it is about, then
 a human who wants to use that problem would have to read the problem itself
-to see what it was about, which is much more difficult than just reading
-a title. A computer trying to do the same thing would just be out of luck;
+to see what it was about. This is much more difficult than just reading
+a title. A computer trying to do the same thing would be out of luck;
 it is too stupid to understand the problem statement at all.
 
-One example of metadata is the <title> of a web page, which usually shows
-up in the title bar of the browser. That's information about the web page
-itself, not actually part of the web page. People use the title information
-when they bookmark a page, so they know what the page is. Search engines
+Another example of metadata is the \texttt{$<$title$>$} tag of a web page, which usually shows
+up in the title bar of the browser. That is information about the web page
+itself and is not actually part of the web page. People use the title information
+when they bookmark a page. Search engines
 use it as a clue about the content of the web page.